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The Influence of the Solid Solution Formation on Purification of L-Menthol from the Enantiomer Mixture by Three-Phase Crystallization.
Hsu, Yu-Chao; Yang, Sheng-Chin; Ku, Kai-Fang; Shiau, Lie-Ding.
Afiliação
  • Hsu YC; Department of Urology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
  • Yang SC; Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 333, Taiwan.
  • Ku KF; Department of Chemical and Materials Engineering, Chang Gung University, Taoyuan 333, Taiwan.
  • Shiau LD; Department of Urology, Linkou Chang Gung Memorial Hospital, Taoyuan 333, Taiwan.
Int J Mol Sci ; 24(19)2023 Oct 05.
Article em En | MEDLINE | ID: mdl-37834381
Three-phase crystallization (TPC) was introduced in this study to purify L-menthol from menthol enantiomer mixtures in consideration of the formation of solid solutions. TPC is a new separation technology, which combines melt crystallization and vaporization to result in the desired crystalline product from a liquid mixture along with the unwanted components vaporized via the three-phase transformation by reducing temperature and pressure. The three-phase transformation conditions for the liquid menthol enantiomer mixtures were determined based on the thermodynamic calculations to direct the TPC experiments. A new model was proposed based on the mass and energy balances in consideration of the formation of the solid solutions to predict the yield and purity of the final L-menthol product during TPC. The yield and purity obtained from the TPC experiments were compared with those predicted by the model.
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Texto completo: 1 Base de dados: MEDLINE Assunto principal: Anestésicos / Mentol Idioma: En Ano de publicação: 2023 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Assunto principal: Anestésicos / Mentol Idioma: En Ano de publicação: 2023 Tipo de documento: Article